Datasheet > TPS54062_14

TPS54062_14

更新时间： 2024-11-20 02:58:27

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
30页	750K
描述
4.7V to 60V Input, 50mA Synchronous Step-Down Converter with Low IQ

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TPS54062_14 数据手册

TPS54062

www.ti.com

SLVSAV1 –MAY 2011

4.7V to 60V Input, 50mA Synchronous Step-Down Converter with Low IQ

Check for Samples: TPS54062

FEATURES

DESCRIPTION

The TPS54062 device is a 60V, 50-mA, synchronous

step-down converter with integrated high side and low

side MOSFETs. Current mode control provides

simple external compensation and flexible component

selection. The non switching supply current is 89µA.

Using the enable pin, shutdown supply current is

reduced to 1.7µA.

•

Integrated High Side and Low Side MOSFET

Peak Current Mode Control

89 µA (typical) Operating Quiescent Current

100kHz to 400kHz Switching Frequency

Synchronizes to External Clock

Internal Slow Start

Under voltage lockout is internally set at 4.5V, but

can be increased using the accurate enable pin

threshold. The output voltage startup ramp is

controlled by the internal slow start time.

0.8V ±2% Voltage Reference

Stable with Ceramic Output Capacitors or Low

Cost Aluminum Electrolytic

•

Cycle-by-Cycle Current Limit, Thermal and

Frequency Fold Back Protection

Adjustable switching frequency range allows

efficiency and external component size to be

optimized. Frequency fold back and thermal

shutdown protects the part during an overload

condition.

MSOP8 Package

APPLICATIONS

•

Low Power Standby or Bias Voltage Supplies

4-20mA Current-Loop Powered Sensors

Industrial Process Control, Metering, and

Security Systems

•

High Voltage Linear Regulator Replacement

spacer

SIMPLIFIED SCHEMATIC

EFFICIENCY

V_IN= 10V

V_IN= 24V

V_OUT= 3.3V

f_SW= 400kHz

0.01

0.02 0.03

Output Current (A)

0.04

0.05

G050

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

SwitcherPro is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...30

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与TPS54062_14相关器件

型号	品牌	获取价格	描述	数据表
TPS54062DGKR	TI	获取价格	4.7V to 60V Input, 50mA Synchronous Step-Down Converter with Low IQ
TPS54062DRBR	TI	获取价格	具有低静态电流 (IQ) 的 4.7V 至 60V 输入，50mA 同步降压转换器 \| D
TPS54062DRBT	TI	获取价格	具有低静态电流 (IQ) 的 4.7V 至 60V 输入，50mA 同步降压转换器 \| D
TPS54073	TI	获取价格	2.2 ?4 -V, 14-A SYNCHRONOUS BUCK CONVERTER WITH DISABLED SINKING DURING START-UP
TPS54073PWP	TI	获取价格	2.2 ?4 -V, 14-A SYNCHRONOUS BUCK CONVERTER WITH DISABLED SINKING DURING START-UP
TPS54073PWPG4	TI	获取价格	用于预偏置输出的 3V 至 4V 输入、14A 同步降压转换器 \| PWP \| 28 \|
TPS54073PWPR	TI	获取价格	2.2 ?4 -V, 14-A SYNCHRONOUS BUCK CONVERTER WITH DISABLED SINKING DURING START-UP
TPS54073PWPRG4	TI	获取价格	3V to 4V Input, 14A Synchronous Step-Down SWI
TPS5410	TI	获取价格	1-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER
TPS5410_17	TI	获取价格	1-A, Wide Input Range, Step-Down Converter

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